LCA2020 DingoCar attendee writeup
Marc Merlin's Open Hardware Miniconf report documenting Raspberry Pi control, DingoCar assembly, software presentation, neural-network training, track driving, and self-driving outcome.
Outbound map
Official docs, app stores, wikis, talks, repositories, and issue pages across the badge catalogue.
Marc Merlin's Open Hardware Miniconf report documenting Raspberry Pi control, DingoCar assembly, software presentation, neural-network training, track driving, and self-driving outcome.
Josh Datko first-hand source for the SAINTCON 2014 badge, Arduino-clone framing, FTDI programming, HHV soldering context, hidden source-code secret, blinky expansion board, and designer/support credits.
First-hand DC540 source documenting a shipped 2020 badge package, badge itself, included MiniBadge, custom-MiniBadge coupon, and HC CTF badge context.
First-hand writeup by Jean Privat documenting NorthSec 2025 badge exploration, ESP32-C3 confirmation, USB-C/esptool firmware dumping, partitions, factory app behavior, IR/social-credit context, LEDs, buttons, and firmware patching attempts.
Russell Handorf source for WOPR 0x00 2019 badge assembly logistics, soldering-station workflow, ATTINY841-SSU placement, resistor/LED/battery-clip steps, LED color caveat, and info-booth firmware loading.
First-hand MOS & BOO source documenting the Melbourne physical-security conference context, special speaker-badge evidence, and the visible green PCB-form speaker credential.
Tony Mamacos first-hand post documenting the 2019 badge hardware, ESP32 processor, colour IPS display, touch buttons, 18650 battery, 3D-printed case, firmware architecture, game content, WiFi high-score flow, Bluetooth controller experiment, and post-event lessons.
Hung Ngo organizer retrospective documenting the 2025 first-generation electronic badge, rotary-telephone inspiration, attendee chips, challenge XP, reversible chip software, interactive panels, nickname display, named badge creators, and more than 550 attendees.
Primary first-hand source for the June 7, 2025 Fort Wayne conference context, attendee badge distribution statement, ESP32-WROVER hardware summary, MicroPython framework, CTF badge challenges, and badge-development talk.
Primary first-hand maker source for the Legacy Black Badge purpose, hardware bill of materials, design/fabrication workflow, compiled firmware artifact, build steps, and image-rights boundary.
Rob Rehrig source for ESP32 badge design, reverse-mount LEDs, IS32FL3731 LED driver, piezo buzzer, accelerometer, capacitive touch, Wi-Fi node behavior, IRC, serial interface, GPIO0/DTR production fix, and design-team role.
Rob Rehrig source for the Contra theme, conference-wide laser-tag concept, custom housing design, clear polycarbonate production decision, IR receiver/emitter layout, TIR lens work, Xometry manufacturing path, and roughly 2,000-badge scale.
First-hand attendee report documenting the limited speaker/friends badge and its build, commit, and GitHub-star information surface.
First-hand Robot Ambassador source for the 300-board CactusCon PCB badge giveaway, Erik Wilson design credit, HeatSync Labs booth, LAN tap, USB 3.0 breakout, Teensy expansion, acrylic, LED, resistor, battery, and lanyard context.
Repository guide for RP2040 board-manager setup, required Adafruit libraries, partitioning, flashing, and copying badge data files onto the mass-storage volume.
Official web-flash fallback linked from the badge page for attendees who cannot or do not want to use command-line flashing.
Official web-flasher workflow and caveats for browser and serial access.
DEF CON forum announcement for the limited LHC Meshtastic Badge with DEF CON 33 pickup context.
DEF CON #Badge Life forum source for NilbinSec's first full-size badge, SAO giveaway funding, included red and blue SAOs, EEPROM game-data behavior, DEF CON 33 release context, and pricing note.
DEF CON forum announcement tying seeess's Tipsy Electronic Badge to DEF CON 33 and pointing readers to the public manual, code, and open-source files.
Badge Pirates update documenting BSidesKC 2025 badge orders, U.S. Customs hold status, and planned pickup or shipping choices for badge purchasers.
Primary log describing the badge-to-badge BOTNET game, activation, badge-net repeating behavior, airplane-mode opt-out, services, firewall rules, exploits, XP, and points.
Repository game documentation source for digital candy trading, controller workflows, badge USB storage contents, and BSidesSF 2024 Attribution Game fork lineage.
Post-event configuration guide for WiFi setup, serial configuration, firmware modification, and challenge hash unlocks.
NXP guide documenting KL27/Kinetis hardware, programming setup, firmware source, schematics, tools, and hacking paths.
Official RC20 guide documenting September 23-25, 2026 dates, Royce Hotel & Casino in Clark, first-come electronic badge distribution, and Type-B non-electronic fallback.
Guide section describing the electronic badge as attendee pass, lunch claim artifact, and sponsor-merch surface.
Hackaday firmware guide for MPLAB X, XC32, MicroSD bootloader flashing, app templates, timed state-machine structure, and badge APIs.
Battery extension with two 18650 cells, protection ICs, USB-C charging, switch, and mounting notes.
Surviving project-list source for the AMG8834 thermal-camera breakout board for the GPN17 badge.
Fuccs Shitty Addon repository linked from the TROOPERS19 badge hardware post.
Hackaday.io audio add-on for the GPN17 badge.
Early-stage RFID, iButton, and sub-GHz expansion board concept with educational-use disclaimer and contributor notes.
Community hexpansion gallery, connector rules, mechanical constraints, and PCB/template guidance.
Internal antenna, temporary human/copper antenna, SMA modification, and soldering warning notes.
Public companion SAO hardware repository for the TROOPERS23 badge ecosystem.
Add-on board designs and component notes.
Expansion-board documentation and community hardware path.
Official manual section for hot-swappable internal personality modules.
Repository README source for Arduino Pro Micro, MAX4466 microphone module, flexible 8x8 WS2812 matrix, SMT switch, cotton face mask, USB power bank, wiring, library, and Arduino Leonardo programming workflow.
Public ZonkSec repository preserving the ATtiny85, CR2032, APA102, LED-mode, and Docker CTF challenge details.
Public Social Engineering Community repository for the DEF CON 31 Youth Challenge Flux Decoder badge.
Public HackRVA repository preserving README context, Eagle board/schematic files, production Gerbers, component documentation, graphics, and release firmware for the RVAsec 2012 badge.
Public ZonkSec repository preserving MicroPython firmware, KiCad files, Gerbers, BOMs, 3D models, flyers, and badge variants.
Primary manufacturer source for Propeller P8X32A hardware, IR, LEDs, USB, attendee-role variants, firmware downloads, schematic, VGA/PS2 examples, and designer/code credits.
Public HFSDR archive preserving host software, CH32V305 firmware, KiCad hardware tree, scripts, documentation, WebUSB links, portable mode notes, and project credits.
Primary technical documentation for the board hardware, Rust firmware, Rhai scripting engine, Trx/Rx controls, CAN helpers, safety warnings, and firmware TODOs.
Public Poplicola repository preserving the THOTCON 0xA workshop PDF, stock-firmware binaries, LED examples, SoundBoard example, AudioStreaming example, and source handoff.
Public poplicola repository preserving the THOTCON touch-wheel badge example archive, Eagle schematic and board files, and Arduino/ESP32 demo firmware directories.
Electronic Cats repository preserving the La Villa Hacker 2025 badge project, firmware, hardware tree, and release trail.